Seasonality
BMRN seasonality — BioMarin Pharmaceutical
Over the last 11 years, BMRN's strongest month on average has been November (+7.4%) and its weakest September (-6.7%).
Average return by month
Month-by-month statistics
| Month | Avg | Median | Up % | Best | Worst | Yrs |
|---|---|---|---|---|---|---|
| Jan | +1.01% | -0.46% | 50% | +15.3% | -8.7% | 10 |
| Feb | -1.22% | -3.52% | 40% | +12.3% | -13.7% | 10 |
| Mar | -3.20% | -2.42% | 10% | +1.2% | -8.5% | 10 |
| Apr | +0.28% | +0.89% | 50% | +9.2% | -9.9% | 10 |
| May | -1.60% | -5.45% | 30% | +15.8% | -9.5% | 10 |
| Jun | +5.00% | +4.21% | 70% | +15.8% | -5.3% | 10 |
| Jul | +0.29% | +1.94% | 60% | +6.8% | -8.0% | 10 |
| Aug | -0.31% | +3.23% | 70% | +9.8% | -34.9% | 10 |
| Sep | -6.69% | -6.01% | 10% | +3.2% | -22.9% | 10 |
| Oct | -2.34% | -2.33% | 30% | +8.6% | -11.8% | 10 |
| Nov | +7.40% | +5.74% | 100% | +16.6% | +0.2% | 9 |
| Dec | +2.21% | +3.21% | 70% | +11.4% | -11.3% | 10 |
Monthly returns heat map — BMRN
price return, %| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -4.9 | 9.2 | -8.5 | -4.6 | 6.3 | -0.1 | 4.9 | 8.7 | -8.0 | -2.5 | -4.2 | -5.7% | |
| 2025 | -3.6 | 12.3 | -0.7 | -9.9 | -8.8 | -5.3 | 5.2 | 0.7 | -7.0 | -1.1 | 4.4 | 6.3 | -9.6% |
| 2024 | -8.7 | -2.0 | 1.2 | -7.5 | -7.0 | 9.7 | 2.4 | 8.2 | -22.9 | -6.3 | 0.2 | -0.5 | -31.8% |
| 2023 | 11.5 | -13.7 | -2.4 | -1.2 | -9.5 | -0.3 | 1.4 | 3.9 | -3.2 | -8.0 | 11.8 | 5.9 | -6.8% |
| 2022 | 0.3 | -11.9 | -1.3 | 5.5 | -7.7 | 10.3 | 3.8 | 3.7 | -5.0 | 2.2 | 16.6 | 2.5 | +17.1% |
| 2021 | -5.6 | -6.5 | -2.5 | 3.2 | -0.8 | 7.9 | -8.0 | 9.8 | -8.2 | 2.5 | 8.9 | 2.4 | +0.8% |
| 2020 | -1.2 | 8.2 | -6.5 | 8.9 | 15.8 | 15.8 | -2.9 | -34.9 | -2.5 | -2.2 | 5.7 | 11.4 | +3.7% |
| 2019 | 15.3 | -5.0 | -4.8 | -3.7 | -3.9 | 4.2 | -7.4 | -5.4 | -10.2 | 8.6 | 10.2 | 4.8 | -0.7% |
| 2018 | 1.2 | -10.0 | -0.1 | 3.0 | 8.2 | 4.3 | 6.8 | -0.6 | -3.0 | -5.0 | 4.2 | -11.3 | -4.5% |
| 2017 | 5.8 | 7.2 | -6.5 | 9.2 | -8.6 | 3.6 | -3.4 | 2.8 | 3.2 | -11.8 | 4.5 | 3.9 | +7.6% |
| 2016 | -3.3 |